@article{TM_2023_323_a7,
     author = {Winfried Sickel},
     title = {On the {Regularity} of {Characteristic} {Functions} of {Weakly} {Exterior} {Thick} {Domains}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {137--166},
     publisher = {mathdoc},
     volume = {323},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2023_323_a7/}
}